Question Upgrading I5 7600

[Iosks]

So now i have a i5 7600 non-k and i would like to upgrade it. But i dont know which processor is the best for my system
Specs:

Rtx 2060 founder edition
I5 7600 non k
8gb ddr4
Seasonic m12ii 620w

Oh yeah... i dont really have money for a cpu beast

 

[Iosks]

Mobo: strix b250g gaming socket 1151